{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "b48c24c2d710cf34810c555dcef883a3d35a9c08"
            },
            {
              "fixed": "07974c267f603a76aead348bca97deee95efdcc9"
            },
            {
              "fixed": "a6c0e693a7c881bfa43ac74cbcad1f8e10f1382b"
            },
            {
              "fixed": "f67d8a08f60c9217df6d40da56422d2049f5e334"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.14.0"
            },
            {
              "fixed": "6.18.52"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93154.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/irdma: Add refcounting to user ring MRs\n\nPrevent userspace from deregistering the MRs that back QP/CQ/SRQ rings\nby bumping the MR's refcount upon association.",
  "id": "CVE-2026-93154",
  "modified": "2026-09-19T03:30:24.773867720Z",
  "published": "2026-09-17T16:11:50.107Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/07974c267f603a76aead348bca97deee95efdcc9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a6c0e693a7c881bfa43ac74cbcad1f8e10f1382b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f67d8a08f60c9217df6d40da56422d2049f5e334"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93154.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93154"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "RDMA/irdma: Add refcounting to user ring MRs"
}